[GitHub] [incubator-nuttx] liuchengvbl opened a new pull request #5356: fix: sensor: ppg of dual- and quad-channel sensor types

[GitBox <gi...@apache.org>]

liuchengvbl opened a new pull request #5356:
URL: https://github.com/apache/incubator-nuttx/pull/5356


   ## Summary
   Some PPG devices have 4 ADCs to output quad-channel PPG values while some of them only have 2 ADCs to output dual-channel PPG.
   To deal the case above, the type PPGD(PPG of Dual-channel) takes the place of former type PPG, which also have 2-channel PPG outputs. Type PPGQ (PPG of Quad-channel) is new for 4-ADC-PPG. Both types have contained new data "gain" to indicate ADC gains of each PPG channel, for the reason that the gains may vary during automatical optical adjustments.
   
   Signed-off-by: liucheng5 <li...@xiaomi.com>
   
   ## Impact
   It was coupled with sensortest
   
   ## Testing
   On arm-based EVB.
   


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[GitHub] [incubator-nuttx] xiaoxiang781216 merged pull request #5356: fix: sensor: ppg of dual- and quad-channel sensor types

[GitBox <gi...@apache.org>]

xiaoxiang781216 merged pull request #5356:
URL: https://github.com/apache/incubator-nuttx/pull/5356


   


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